Gas

CSIR-NCL develops DME pilot plant

The new burner is fully designed and fabricated by NCL for DME, DME-LPG blended mixtures and LPG combustion.

  • By | October 22, 2020

CSIR-NCL (National Chemical Laboratory) has developed the nation's first pilot plant operated with clean and cost efficient fuel Dimethyl Ether (DME) with 20-24 Kg/day capacity. 
 
The Union Minister of Science and Technology and Earth Sciences, Dr. Harsh Vardhan inaugurated the DME fired “Aditi Urja Sanch” unit along with the DME-LPG blended fuel cylinders as a domestic cooking fuel and handed them over to common public and CSIR-NCL canteen use on a trial basis at CSIR-NCL premises virtually through video-conferencing.
 
In his address, Dr. Harsh Vardhan said, “The launch of this burner will also provide a significant boost to the 'Make in India' campaign as all the manufacturers of cylinders, gas stoves, regulators and gas hoses are domestic. This kind of activity may bridge the gap between demand and supply, and it can ensure energy security for the nation.”
 
Dimethyl Ether (DME) is an ultra-clean fuel and the conventional LPG burner is not suitable for DME combustion as DME density is different from LPG. To address this issue, CSIR- NCL’s “ADITI URJA SANCH” has come up with an innovative setup. The new burner is fully designed and fabricated by NCL for DME, DME-LPG blended mixtures and LPG combustion. Its efficiency trials and comparison with conventional burners have been done. Trial runs have demonstrated an improvement by 10-15% compared to conventional burners using LPG alone.
 
The research group led by Dr. T. Raja at Catalysis and Inorganic Chemistry Division, CSIR-NCL, Pune carried out research and found catalysts with higher yield, and stability for the ether formation and less tendency to produce carbon soot by-product. The DME project is moving on fast track mode from the laboratory to the market to ultimately reach people under the methanol economy and green sustainable fuel policy of the country. 
 
In the current phase, CSIR sponsored FTT/ FTC (Fast track Commercialization) project for the pilot plant demonstration has been sanctioned and CSIR-NCL is in advanced discussion with various industry stakeholders.
 
A clean cooking fuel combination of DME-LPG also safeguards the well-being of women and children. The DME process technology is economical, cost-effective and scalable with in-situ product purification as well as a heat integration unit that produces pure DME. This technology developed by CSIR-NCL at present has the capacity of 20-24 kg/ day DME production. It is to be scaled up to 0.5 Ton per day through the CSIR-FTC project. 
 
The newly designed stove can burn with up to 30% DME blended with LPG or 100% DME as fuel. The air to fuel ratio is different for DME blended fuel to achieve optimum combustion and thermal performance. A 20% DME blending with LPG, with fewer infrastructure changes is expected to result in substantial savings annually. 

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